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@martinm92, if you want to rename it what ever you like or style it, you can try:

<a class="lostpass"href="http://www.yoursite.com/wp-login.php?action=lostpassword">Lost password?</a>

then you can change Lost password to whatever you like

@martinm92
You can try:
<?php wp_lostpassword_url(); ?>

@martinm92, use this functions stolen from modemloopers plugin

http://pastebin.com/TmaZQ5fb

@martinm92, a link to you test site ?

@martinm92, put the following code in functions.php of your theme. assuming you are using child theme.

// Remove html margin from body
function my_function_admin_bar(){ return false; }
add_filter( 'show_admin_bar' , 'my_function_admin_bar');